EP4020650A4 - Electrochemical device and electronic device comprising same - Google Patents

Electrochemical device and electronic device comprising same Download PDF

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Publication number
EP4020650A4
EP4020650A4 EP20922558.0A EP20922558A EP4020650A4 EP 4020650 A4 EP4020650 A4 EP 4020650A4 EP 20922558 A EP20922558 A EP 20922558A EP 4020650 A4 EP4020650 A4 EP 4020650A4
Authority
EP
European Patent Office
Prior art keywords
same
electronic device
electrochemical
electrochemical device
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20922558.0A
Other languages
German (de)
French (fr)
Other versions
EP4020650A1 (en
Inventor
Rui Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Publication of EP4020650A1 publication Critical patent/EP4020650A1/en
Publication of EP4020650A4 publication Critical patent/EP4020650A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H01M50/461—Separators, membranes or diaphragms characterised by their combination with electrodes with adhesive layers between electrodes and separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/443—Particulate material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/48—Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by the material
    • H01M50/486—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
EP20922558.0A 2020-03-04 2020-03-04 Electrochemical device and electronic device comprising same Pending EP4020650A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/077767 WO2021174442A1 (en) 2020-03-04 2020-03-04 Electrochemical device and electronic device comprising same

Publications (2)

Publication Number Publication Date
EP4020650A1 EP4020650A1 (en) 2022-06-29
EP4020650A4 true EP4020650A4 (en) 2023-02-15

Family

ID=75651243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20922558.0A Pending EP4020650A4 (en) 2020-03-04 2020-03-04 Electrochemical device and electronic device comprising same

Country Status (4)

Country Link
US (1) US11955661B2 (en)
EP (1) EP4020650A4 (en)
CN (1) CN112753112B (en)
WO (1) WO2021174442A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113555645B (en) * 2021-06-01 2023-09-05 惠州锂威新能源科技有限公司 Modified diaphragm, lithium ion battery and power utilization device
CN116636056A (en) * 2021-07-23 2023-08-22 江苏时代新能源科技有限公司 Electrode assembly, battery cell, battery and electric equipment
CN115516665A (en) * 2021-12-24 2022-12-23 宁德新能源科技有限公司 Electrochemical device and electronic device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070054184A1 (en) * 2003-11-03 2007-03-08 Lg Chem, Ltd. Seperator coated with electrolyte-miscible polymer and electrochemical device using the same
US20150243964A1 (en) * 2013-05-08 2015-08-27 Lg Chem, Ltd. Electrode structure including insulating layer, manufacturing method thereof, and electrochemical device including the electrode
US20170309915A1 (en) * 2014-12-08 2017-10-26 Lg Chem, Ltd. Electrode assembly having improved safety, manufacturing method therefor and electrochemical element comprising electrode assembly
EP3748760A1 (en) * 2019-02-01 2020-12-09 Lg Chem, Ltd. Electrode with insulation film, manufacturing method thereof, and lithium secondary battery comprising the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5681357A (en) * 1996-09-23 1997-10-28 Motorola, Inc. Gel electrolyte bonded rechargeable electrochemical cell and method of making same
WO2000032294A1 (en) * 1998-12-02 2000-06-08 Lg Chemical Ltd. Methods for reforming polymer surface for improved wettability
KR100666821B1 (en) * 2004-02-07 2007-01-09 주식회사 엘지화학 Organic/inorganic composite porous layer-coated electrode and electrochemical device comprising the same
BRPI0620590B1 (en) 2005-12-06 2019-07-09 Lg Chem, Ltd. ORGANIC / INORGANIC COMPOSITE SEPARATOR, METHOD FOR MANUFACTURING AN ORGANIC / INORGANIC COMPOSITE SEPARATOR AND ELECTROCHEMICAL DEVICE
KR100727248B1 (en) 2007-02-05 2007-06-11 주식회사 엘지화학 Organic/inorganic composite separator having porous active coating layer and electrochemical device containing the same
JP6237622B2 (en) * 2012-06-20 2017-11-29 日本ゼオン株式会社 Slurry for lithium ion secondary battery negative electrode, electrode for lithium ion secondary battery and method for producing the same, and lithium ion secondary battery
CN102903922A (en) * 2012-10-11 2013-01-30 华南理工大学 Organic radical-modified cellulose derivative, as well as preparation method and application thereof
CN106229445A (en) * 2016-07-28 2016-12-14 华南理工大学 A kind of lithium ion battery separator and preparation method thereof and lithium ion battery
CN108878748A (en) * 2018-06-25 2018-11-23 宁德新能源科技有限公司 Electrochemical appliance
CN111373571A (en) * 2018-07-26 2020-07-03 株式会社Lg化学 Separator and electrochemical device comprising the same
CN109560238A (en) * 2018-11-29 2019-04-02 中兴高能技术有限责任公司 Modified diaphragm and preparation method thereof and lithium ion battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070054184A1 (en) * 2003-11-03 2007-03-08 Lg Chem, Ltd. Seperator coated with electrolyte-miscible polymer and electrochemical device using the same
US20150243964A1 (en) * 2013-05-08 2015-08-27 Lg Chem, Ltd. Electrode structure including insulating layer, manufacturing method thereof, and electrochemical device including the electrode
US20170309915A1 (en) * 2014-12-08 2017-10-26 Lg Chem, Ltd. Electrode assembly having improved safety, manufacturing method therefor and electrochemical element comprising electrode assembly
EP3748760A1 (en) * 2019-02-01 2020-12-09 Lg Chem, Ltd. Electrode with insulation film, manufacturing method thereof, and lithium secondary battery comprising the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021174442A1 *

Also Published As

Publication number Publication date
CN112753112B (en) 2023-05-16
CN112753112A (en) 2021-05-04
EP4020650A1 (en) 2022-06-29
US20220115743A1 (en) 2022-04-14
WO2021174442A1 (en) 2021-09-10
US11955661B2 (en) 2024-04-09

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Ipc: H01M 50/46 20210101ALI20230110BHEP

Ipc: H01M 4/587 20100101ALI20230110BHEP

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Ipc: H01M 50/489 20210101ALI20230110BHEP

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